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reno



Member Since: 17 Feb 2011
Location: Singapore
Posts: 9

Singapore 2009 Defender 90 Puma 2.4 SW Stornoway Grey
Knocking sound from rear undercarriage
Hi, i am driving a 2009 puma 90 recently experiencing knocking sound from my rear undercarriage. This knocking normally comes in during cruising when the accelerator is being released or during changing gears. Can anyone advise me on any possible cause for this knocking sound? Many thanks....
Post #61434 28th Feb 2011 4:08pm
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o4dn



Member Since: 08 Jan 2010
Location: South West
Posts: 530

France 2009 Defender 90 Puma 2.4 SW Alaska White
Re: Knocking sound from rear undercarriage
You may want to take it back to the dealer as I guess your car should still be under warranty.

I had the same symptoms on my 90" a year or so ago, was a problem with the rear diff, it was eventually replaced under warranty and now knocking is gone.

See this thread or this one as well, hope this helps...
Post #61439 28th Feb 2011 4:22pm
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Happyoldgit



Member Since: 14 Sep 2007
Location: Norfolk
Posts: 3471

United Kingdom 2015 Defender 110 Puma 2.2 USW Corris Grey
Diff, driveshaft flanges, A frame joint, trailing arm bushes etc., etc are all possibles but usually confined to high miles / older LR's. At only a year or two old it ought to still be under warranty. Steve.
Owned numerous Land Rover vehicles of all shapes and sizes over the decades.
Current Defender: A non tarts hand-bagged Puma 110 XS USW.

[Insert something impressive here such as extensive list of previous Land Rovers or examples of your prestigeous and expensive items, trinkets, houses, bikes, vehicles etc]

http://forums.lr4x4.com

I used to be Miserable ...but now I'm ecstatic.
Post #61443 28th Feb 2011 4:34pm
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2599

South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
drive flanges? Also the MT82 gearbox makes a pretty loud bang when changing gears. --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
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Post #61448 28th Feb 2011 4:48pm
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reno



Member Since: 17 Feb 2011
Location: Singapore
Posts: 9

Singapore 2009 Defender 90 Puma 2.4 SW Stornoway Grey
Had sent it to my local dealer for this issue and was told that the knocking sound was due to a faulty rear axle.... They refused to carry out the replacement of the faulty part because my warranty for the entire drivetrain and suspension system had been voided as i am using 33" mt tires and wheel spacers.... They claimed that these tires and spacers put additional stresses on the axles and drivetrain.... Crying or Very sad
Post #61453 28th Feb 2011 5:15pm
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warren



Member Since: 14 Oct 2009
Location: East Lancs.
Posts: 903

England 2009 Defender 90 Puma 2.4 HT Santorini Black
Found a video I didn't know I had...



Roll pin in the rear diff had worked itself loose...
Post #61467 28th Feb 2011 6:41pm
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reno



Member Since: 17 Feb 2011
Location: Singapore
Posts: 9

Singapore 2009 Defender 90 Puma 2.4 SW Stornoway Grey
Thanks for all replies.... Think the rattle in the attached video is quite similar to what i have.... Will get my workshop mechanic to check for any loose roll pin in the rear diff... Hope this is the real source of the rattle.... Wink
Post #61556 28th Feb 2011 11:59pm
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double cab happy



Member Since: 01 Jun 2009
Location: merseyside
Posts: 573

England 2007 Defender 110 Puma 2.4 DCPU Java Black
Miserableolgit wrote:
Diff, driveshaft flanges, A frame joint, trailing arm bushes etc., etc are all possibles but usually confined to high miles / older LR's. At only a year or two old it ought to still be under warranty.


had my rear drive shafts and flanges replaced after reporting the same sound, thats on a 40 ,000 mile 110. also half a dozen upper shock bushes in that time, which can make a bit of a noice.
Post #61589 1st Mar 2011 9:28am
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